What is load manager?

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for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?

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What is the purpose of cluster analysis in data warehousing?

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What is the main difference between inmon and kimball philosophies of data warehousing?

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What is the difference between view filter and report filter?

0 Answers  

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what is the synchonus? wht is the diff between synchronous and asynchronous what is the diff between v1 and v2 v3 delta modes in sap ecc

0 Answers   IBM,

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what is data validation strategies for data mart validation after loading process

1 Answers  

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Hi Guys, I have been to L& T last week ..Please find the questions mentioned below 1)Slowly changing dimension types 2)DML statement 3)DDL statement 4)write a syntax to create database 5) differences between count(*) and count(column) 6) differences between union and union all 7) what is decode 8) what is NVL 9) Arrange the values in ascending order 10,5,20,15,null 10)Primary and surrogate key 11)what is group by clause does? 12)what is difference between truncate and delete 13)what is difference between OLAP and OLTP ? 14)Architecture of Datawarehouse 15)how do you test the data validation from source as (flat file and xml) to staging tables. 16)what is shedule and time bound the mentioned above question asked in two rounds.all the best

2 Answers   L&T,

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why oracle is the best database for data warehousing?

4 Answers   HCL,

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Explain bus schema?

0 Answers  

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How did you plan your Data ware house project?

0 Answers   TCS,

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What is Cognos script editor?

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